/*
 * Copyright (c) 2004-2010, Kohsuke Kawaguchi
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided
 * that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this list of
 *       conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.kohsuke.stapler;

import javax.servlet.ServletException;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;

/**
 * Marks the object that can handle HTTP DELETE.
 *
 * @author Kohsuke Kawaguchi
 */
public interface HttpDeletable {
    /**
     * Called when HTTP DELETE method is invoked.
     */
    void delete( StaplerRequest req, StaplerResponse rsp ) throws IOException, ServletException;
}

/**
 * {@link Dispatcher} that processes {@link HttpDeletable}
 */
class HttpDeletableDispatcher extends Dispatcher {//删除
    @Override
    public boolean dispatch(RequestImpl req, ResponseImpl rsp, Object node) throws IOException, ServletException, IllegalAccessException, InvocationTargetException {
        if (!req.tokens.hasMore() && req.getMethod().equals("DELETE")) {
            ((HttpDeletable)node).delete(req,rsp);
            return true;
        }

        return false;
    }

    @Override
    public String toString() {
        return "delete() for url=/ with DELETE";
    }
}
